Initial opendaylight infrastructure commit!!

[controller.git] / opendaylight / sal / api / src / main / java / org / opendaylight / controller / sal / utils / ReadFromFile.java

diff --git a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/ReadFromFile.java b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/ReadFromFile.java
new file mode 100644 (file)
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+++ b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/ReadFromFile.java
@@ -0,0 +1,55 @@
+
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.sal.utils;
+
+import java.util.ArrayList;
+import java.io.*;
+
+/**
+ * Convenience object for reading from file
+ *
+ *
+ *
+ */
+public class ReadFromFile {
+    private FileInputStream fileStream;
+    private DataInputStream dataInput;
+    private BufferedReader bufferedReader;
+    private String fileName;
+    private File filePointer;
+
+    public ReadFromFile(String name) throws FileNotFoundException {
+        fileName = name;
+        fileStream = new FileInputStream(this.fileName);
+        filePointer = new File(fileName); //needed to allow file deletion
+    }
+
+    public ArrayList<String> readFile() throws IOException {
+        dataInput = new DataInputStream(this.fileStream);
+        bufferedReader = new BufferedReader(new InputStreamReader(dataInput));
+
+        ArrayList<String> lineList = new ArrayList<String>();
+        String line;
+        while ((line = bufferedReader.readLine()) != null) {
+            lineList.add(line);
+        }
+        bufferedReader.close();
+        dataInput.close();
+        fileStream.close();
+        return lineList;
+    }
+
+    public boolean delete() {
+        if (filePointer == null) {
+            return true;
+        }
+        return filePointer.delete();
+    }
+}
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